515375

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 32

約数和(自身を含む): 798720

約数和(自身を除く): 283345

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 125, 133, 155, 175, 217, 475, 589, 665, 775, 875, 1085, 2375, 2945, 3325, 3875, 4123, 5425, 14725, 16625, 20615, 27125, 73625, 103075, 515375]

約数ペア:

[(1, 515375), (5, 103075), (7, 73625), (19, 27125), (25, 20615), (31, 16625), (35, 14725), (95, 5425), (125, 4123), (133, 3875), (155, 3325), (175, 2945), (217, 2375), (475, 1085), (589, 875), (665, 775)]